Add and subtract expressions with letters
Grade 7 Math Worksheet - Building Confidence
Circle the best answer, or write your answer on the line.
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Ari finds a riddle card tucked in a lunchbox. In (2x + 3) + (4x + 5), the x pieces join to make 6x. What is the whole sum with as few terms as possible?
Bo opens an envelope that holds one tiny puzzle. In (3x + 1) + (2x + 6), the x pieces join to make 5x. What is the whole sum with as few terms as possible?
Kira copies a puzzle onto paper, then doodles a cat in the corner. How would Kira write (4x + 1) + (3x + 8) with as few terms as possible?
Luz spots a puzzle at the back of a book. How would Luz write (6x + 5) + (x + 2) with as few terms as possible?
Pia writes the puzzle in blue pen, very boldly. How would Pia write (8x + 6) − (x + 2) with as few terms as possible?
Ren finds a puzzle hiding on the classroom calendar. Which expression is equal to (4x + 3) + (2x + 6)?
- 6x + 3
- 15x
- 9x + 6
- 6x + 9
A friendly robot hands Tala a puzzle with a beep. Which expression is equal to (5x + 2) + (3x + 4)?
- 10x + 4
- 14x
- 8x + 2
- 8x + 6
Ari's bags each hold x apples. Crate A has 3 bags and 2 loose apples, crate B has 2 bags and 5 loose. How many apples in all, with as few terms as possible?
A yarn is 6x + 9 cm long. Jun cuts off 2x + 4 cm for a bracelet. How long is the yarn left, with as few terms as possible?
A yarn is 8x + 7 cm long. Kira cuts off 5x + 2 cm for a bracelet. How long is the yarn left, with as few terms as possible?